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Fault Diagnosis of Hybrid Computing Systems Using Chaotic-Map Method

In: Fault Detection and Diagnosis

Author

Listed:
  • Nageswara Rao
  • Bobby Philip

Abstract

Computing systems are becoming increasingly complex with nodes consisting of a combination of multi-core central processing units (CPUs), many integrated core (MIC) and graphics processing unit (GPU) accelerators. These computing units and their interconnections are subject to different classes of hardware and software faults, which should be detected to support mitigation measures. We present the chaotic-map method that uses the exponential divergence and wide Fourier properties of the trajectories, combined with memory allocations and assignments to diagnose component-level faults in these hybrid computing systems. We propose lightweight codes that utilize highly parallel chaotic-map computations tailored to isolate faults in arithmetic units, memory elements and interconnects. The diagnosis module on a node utilizes pthreads to place chaotic-map threads on CPU and MIC cores, and CUDA C and OpenCL kernels on GPU blocks. We present experimental diagnosis results on five multi-core CPUs; one MIC; and, seven GPUs with typical diagnosis run-times under a minute.

Suggested Citation

  • Nageswara Rao & Bobby Philip, 2018. "Fault Diagnosis of Hybrid Computing Systems Using Chaotic-Map Method," Chapters, in: Constantin Volosencu (ed.), Fault Detection and Diagnosis, IntechOpen.
    • Handle: RePEc:ito:pchaps:158373
    DOI: 10.5772/intechopen.79978
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    More about this item

    Keywords

    fault diagnosis; hybrid systems; chaotic maps; multi-core CPU; GPU;
    All these keywords.

    JEL classification:

    • C60 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - General

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